Product Description
Industrial Injection T34OILIN T3/T4 Oil Inlet Flange is a universal M12×1.5-thread oil feed flange for T3/T4-frame turbos (commonly S300/S400 and Phat Shaft style). Machined aluminum for a reliable seal, and includes mounting hardware and gasket for a clean, leak-free install.
Fitment
- Turbo side: T3/T4-frame oil inlet pattern
- Thread: M12 × 1.5 (turbo oil inlet)
- Commonly used on many S300/S400 & Phat Shaft variants (verify thread on your specific turbo)
What's Included
- (1) T3/T4 oil inlet flange, aluminum
- (1) Gasket
- Mounting hardware
Recommended Parts (CPP Diesel)
- FLEECE FPE-CRTFL-S3S4 Turbo Oil Feed Line (S300/S400 2nd-Gen location)
- FLEECE FPE-APT-M12-06 M12 Oil Feed Line Fitting + Sealing Washer
- CPP -4AN Turbo Oil Feed Line (Cummins applications)
- Cummins 4940183 OEM Turbo Oil Inlet Supply Fitting (with O-ring)
- Shop All Oil Feed Lines & Fittings
Helpful Notes
- Always verify your turbo's inlet thread. Many S300/S400/Phat Shaft use M12×1.5, but variants exist.
- Use with a quality oil feed line and proper sealing washers to prevent leaks.
FAQ
Will this fit my S300/S400 turbo?In most cases, yes - this flange is for T3/T4-frame turbos with an M12×1.5 inlet. Confirm your turbo's thread before ordering.
Does it include a gasket and hardware?Yes, listings indicate the gasket and hardware are included for a straightforward install.
What oil feed line should I pair with it?We recommend a high-quality line like Fleece FPE-CRTFL-S3S4 or our CPP -4AN line for Cummins applications.
Is this specific to any truck model?No - it's a universal turbo-side flange. Fitment depends on your turbo's frame and inlet thread, not the vehicle.
Specifications for INDUSTRIAL INJECTION T34OILIN T3/T4 OIL INLET FLANGE - M12×1.5 THREAD (UNIVERSAL)
| Brand | Industrial Injection |
| Part Number | T34OILIN |
| GTIN | 840256915600 |
| UPC | 840256915600 |
| Engine Compatibility | Universal — fits most T3/T4 turbocharger applications with M12×1.5 oil feed inlet |
| Configuration | CNC-machined steel oil inlet flange; M12×1.5 female thread; designed for T3/T4 turbo oil feed fittings |
| Country of Origin | Not specified |
| Core Charge | None |
| Shipping Method | Standard ground (small parcel) |
| Shipping Weight | ~1 lb (0.45 kg) |
| Package Dimensions | Approx. 4" × 3" × 1" |
| Prop 65 Warning | This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
